CVE-2019-15513: Improper Locking

An issue was discovered in OpenWrt libuci aka Library for the Unified Configuration Interface before 15.05.1 as used on Motorola CX2L MWR04L 1.01 and C1 MWR03 1.01 devices. /tmp/.uci/network locking is mishandled after reception of a long SetWanSettings command, leading to a device hang...